Q: Is 21,064 a Composite Number?
A: Yes, 21,064 is a composite number.
The number 21,064 can be evenly divided by 1 2 4 8 2,633 5,266 10,532 and 21,064, with no remainder.
Since 21,064 cannot be divided by just 1 and 21,064, it is a composite number.